Slide fastener element



FIG. 1 is a perspective view of the slide fastener element according to our new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevation view thereof and the left side elevation view being a mirror image thereof;

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a back elevation view thereof.

The broken lines represent the bounds of the claimed design and form no part of the claimed design. 

The ornamental design for a slide fastener element, as shown and described. 